[dip@dip001 ~]$ hdfs fsck /test/test.txt
Connecting to namenode via http://dip001:50070
FSCK started by dip (auth:SIMPLE) from /172.21.25.127 for path /test/test.txt at Wed Nov 28 10:05:24 CST 2018
#健康状态
.Status: HEALTHY

#总的大小

 Total size:	1431 B

 Total dirs:	0
 Total files:	1
 Total symlinks:		0
 Total blocks (validated):	1 (avg. block size 1431 B)
 Minimally replicated blocks:	1 (100.0 %)
 Over-replicated blocks:	0 (0.0 %)
 Under-replicated blocks:	0 (0.0 %)
 Mis-replicated blocks:		0 (0.0 %)
 Default replication factor:	3
 Average block replication:	3.0
 Corrupt blocks:		0
 Missing replicas:		0 (0.0 %)
 Number of data-nodes:		3
 Number of racks:		1
FSCK ended at Wed Nov 28 10:05:24 CST 2018 in 1 milliseconds


The filesystem under path '/test/test.txt is HEALTHY